19814504

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{5591}}^1$

素因数の和:6040

約数の個数: 16

約数和(自身を含む): 37242720

約数和(自身を除く): 17428216

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 5591, 11182, 22364, 44728, 2476813, 4953626, 9907252, 19814504]

約数ペア:

[(1, 19814504), (2, 9907252), (4, 4953626), (8, 2476813), (443, 44728), (886, 22364), (1772, 11182), (3544, 5591)]